Don't log request body.

Signed-off-by: Tom Wilkie <tom.wilkie@gmail.com>

pkg/loki/loki.go

@@ -42,6 +42,7 @@ type Config struct {
 func (c *Config) RegisterFlags(f *flag.FlagSet) {
 	c.Server.MetricsNamespace = "loki"
 	c.Target = All
+	c.Server.ExcludeRequestInLog = true
 	f.Var(&c.Target, "target", "target module (default All)")
 	f.BoolVar(&c.AuthEnabled, "auth.enabled", true, "Set to false to disable auth.")